测一测Please remember to ______ the tap and ______ the door when you leave.当你离开的时候，记得关上水龙头和门。
A. close, closeB. turn off, closeC. close, turn off知识点解析在我们生活中，我们用到开和关的次数简直是太多太多了。
比如：开手机、开门、关上书、关电视等等。
在中文里面，不论我们开关什么，就是只有“开”和“关”这一组词。
但是，在英语里，至少有两组开关，他们就是：open/close 和 turn on/turn off。
那么他们究竟有什么区别呢？• open将原来合上的东西打开，比如：open the window/door/book打开窗户/门/书open your eyes/heart/arms张开你的双眼/心扉/双臂• close和open对应• turn on指转动或推上开关等打开，比如：turn on the TV/light/switch打开电视/灯/开关turn on the water/shower/tap打开水/淋浴/水龙头• turn off与turn on对应看看是不是理解了呢？小练习I wish I knew how to ______ the heating.真希望我知道怎么开暖气。
A. openB. turn onThe inspector ______ the packet of cigarettes.检查员撕开了那包香烟。
A. openedB. turned on考试真题在近3年全国和各地高考、CET4、CET6试卷中open/close 和 turn on/off出现过多次，如：Dad carried the pot out and we opened doors and windows to air out the house.Students are to close kitchen doors after cooking.I would excitedly turn the tap on and brush the comb carefully.The late musician Dennis Brian is said to have asked a fellow train passenger to turn off his radio.